20647824

素因数分解:

$2^4\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2887}}^1$

素因数の和:3047

約数の個数: 40

約数和(自身を含む): 53716800

約数和(自身を除く): 33068976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 2887, 3576, 5774, 7152, 8661, 11548, 17322, 23096, 34644, 46192, 69288, 138576, 430163, 860326, 1290489, 1720652, 2580978, 3441304, 5161956, 6882608, 10323912, 20647824]

約数ペア:

[(1, 20647824), (2, 10323912), (3, 6882608), (4, 5161956), (6, 3441304), (8, 2580978), (12, 1720652), (16, 1290489), (24, 860326), (48, 430163), (149, 138576), (298, 69288), (447, 46192), (596, 34644), (894, 23096), (1192, 17322), (1788, 11548), (2384, 8661), (2887, 7152), (3576, 5774)]